SKD 4 Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Type | Steel Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Tool Steel | SKD 4 | |||
SKS 95 |
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SKD 1 |
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X210Cr12 |
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SKD 2 |
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X210CrW12 |
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SKD 10 |
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X153CrMoV12 |
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SKD 11 |
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SKD 12 |
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100CrMoV5 |
C ≤ |
Si ≤ |
Mn ≤ |
P ≤ |
S ≤ |
Cr | Ni |
---|---|---|---|---|---|---|
0.25-0.35 | 0.4 | 0.6 | 0.03 | 0.02 | 2.0-3.0 | ≤ 0.25 |
Mo | Al | Cu | Nb | Ti | V | Ce |
≤0.25 | 0.3-0.5 | |||||
N | Co | Pb | W | Other | ||
5.0-6.0 | ||||||
Yield Rp0.2 (MPa) |
Tensile Rm (MPa) |
Impact KV/Ku (J) |
Elongation A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
---|---|---|---|---|---|---|
625 (≥) | 441 (≥) | 31 | 23 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 324 |
Temperature (°C) |
Modulus of elasticity (GPa) |
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) |
Specific thermal capacity (J/kg·°C) |
Specific electrical resistivity (Ω mm²/m) |
Density (kg/dm³) |
Poisson’s coefficient, ν |
---|---|---|---|---|---|---|---|
41 | - | - | 0.12 | - | |||
968 | 326 | - | 22.3 | 212 | - | ||
732 | - | 11 | 41.2 | 323 | 434 |
Heat treated : 1675°C - 1985°C
Grade | Standard | Country | Application |
---|---|---|---|
SKD1 | JIS | Japan | Cold Work Die Steel |
SKD2 | JIS | Japan | Cold Work Die Steel |
SKD11 | JIS | Japan | Cold Work Die Steel |
SKD12 | JIS | Japan | Cold Work Die Steel |
SKD4 | JIS | Japan | Hot-work die steel |
SKD5 | JIS | Japan | Hot-work die steel |
SKD6 | JIS | Japan | Hot-work die steel |
SKD61 | JIS | Japan | Hot-work die steel |
SKD62 | JIS | Japan | Hot-work die steel |
SKD7 | JIS | Japan | Hot-work die steel |
SKD8 | JIS | Japan | Hot-work die steel |
Q345q E | China | Bridge structure with steel | |
Q345q C | China | Bridge structure with steel | |
4CrW2Si | China | Alloy tool steel - Impact resistance tool steel | |
Cr4W2MoV | China | Alloy tool steel - cold work steels | |
6W6Mo5Cr4V | China | Alloy tool steel - Impact resistance tool steel | |
5Cr4W5Mo2V | China | Alloy tool steel - hot-work die steel | |
4CrMnSiMoV | China | Alloy tool steel - hot-work die steel | |
4Cr3Mo3SiV | China | Alloy tool steel - hot-work die steel | |
4Cr5MoSiV | China | Alloy tool steel - hot-work die steel |
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